Forty nine macrofossil species and subspecies have been identified, systematically described, and discussed in detail. They have been collected from five Upper Cretaceous stratigraphic sections exposed at Jardas al'Abid area, Al Jabal Al Akadar, NE Libya. The studied fauna are belonging to Mollusca (Bivalvia, Gastropoda, and Cephalopoda) and Echinoidea. Bivalves constitute the main bulk of the taxa, being represented by 30 species and subspecies belonging to 24 genera. The gastropods comprise 11 species belonging to 10 genera, the cephalopods (ammonites) are 4 species belong to 4 genera, and the echinoids are 4 species belong to 3 genera. Among the prementioned fauna 19 species were recorded for the first time from Libya. Key words: Macrofossils,Upper Cretaceous,Al Jabal Al Akhadar, Libya.